bool fm_unset ( string $name )

Description

Allows you to destroy an existing variable. Just like when you were young, it’s important to clean up after yourself.

Parameters

name (required)

The name of the variable to destroy.

Return

Returns true if the variable existed or false if the variable did not exist.

Errors

There are no errors for this function.

Example 1 - Unset a variable that exists

fm_set_variable('foo', 'bar');
echo fm_unset('foo') ? 'foo is destroyed' : 'Ain\'t no foo to destroy';
/*
Returns: foo is destroyed
*/

Example 2 - Unset a variable that does not exist

fm_unset('foo');
echo fm_unset('foo') ? 'foo is destroyed' : 'ain\'t no foo';
/*
Returns: ain't no foo
*/

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